Looks like a hexagon of 3" or 4" drivers with a seventh in the center. I have never seen such an arrangement in all my born days.
The cabinet and grille look like ca. 1970 give or take. Reminds me of the Utah HSC-1 cabinet but there were scores of small regional producers back then, and store brands made by other manufacturers, so who knows.
I doubt they are going to knock your socks off sound-wise, but you should get them anyway so you can tell us what the heck is inside them!